Optimize const vals by inlining them at use sites

#KT-11734 Fixed
 #KT-13570 Fixed

compiler/testData/codegen/bytecodeText/constProperty/noInline.kt

@@ -1,3 +1,5 @@
+// LANGUAGE_VERSION: 1.0
+
 const val z = 0
 
 fun a() {

compiler/testData/codegen/bytecodeText/constProperty/noInlineInCmp.kt

@@ -1,3 +1,5 @@
+// LANGUAGE_VERSION: 1.0
+
 const val z = 0
 
 fun a() {

compiler/testData/codegen/bytecodeText/lazyCodegen/inlineConstInsideComparison.kt

@@ -0,0 +1,9 @@
+const val one = 1
+const val two = 2
+
+fun test1() {
+    if (!(one < two)) {
+        val p = 1
+    }
+}
+// 0 IF

compiler/testData/codegen/bytecodeText/lazyCodegen/negateConstantCompare.kt

@@ -1,3 +1,5 @@
+// LANGUAGE_VERSION: 1.0
+
 const val one = 1
 const val two = 2
 

compiler/testData/codegen/bytecodeText/when/inlineConstValsInsideWhen.kt

@@ -0,0 +1,17 @@
+const val A = 10
+private const val B = 20
+
+object Constants {
+    const val C = 30
+}
+
+fun foo(state: Int) {
+    when (state) {
+        A -> return
+        B -> return
+        Constants.C -> return
+        else -> return
+    }
+}
+
+// 1 LOOKUPSWITCH

compiler/testData/codegen/bytecodeText/when/qualifiedConstValsInsideWhen.kt

@@ -0,0 +1,20 @@
+object Constants {
+    const val A = 30
+    const val B = 40
+}
+
+class ClassConstants {
+    companion object {
+        const val C = 50
+    }
+}
+fun foo(state: Int) {
+    when (state) {
+        Constants.A -> return
+        Constants.B -> return
+        ClassConstants.C -> return
+        else -> return
+    }
+}
+
+// 1 LOOKUPSWITCH

compiler/testData/codegen/bytecodeText/when/simpleConstValsInsideWhen.kt

@@ -0,0 +1,16 @@
+const val A = 10
+private const val B = 20
+
+object Constants {
+    const val C = 30
+}
+
+fun foo(state: Int) {
+    when (state) {
+        A -> return
+        B -> return
+        else -> return
+    }
+}
+
+// 1 LOOKUPSWITCH

compiler/testData/codegen/bytecodeText/whenStringOptimization/inlineStringConstInsideWhen.kt

@@ -0,0 +1,12 @@
+const val y = "cde"
+
+fun foo(x : String) : String {
+    when (x) {
+        "abc", "${y}" -> return "abc_cde"
+        "e" + "fg", "ghi" -> return "efg_ghi"
+    }
+
+    return "other"
+}
+
+// 1 LOOKUPSWITCH

compiler/testData/codegen/bytecodeText/whenStringOptimization/nonInlinedConst.kt

@@ -1,3 +1,5 @@
+// LANGUAGE_VERSION: 1.0
+
 const val y = "cde"
 
 fun foo(x : String) : String {